ENH: add a bunch of find sdl stuff from eric wing

7 files changed, 428 insertions, 16 deletions

diff --git a/Modules/FindOpenAL.cmake b/Modules/FindOpenAL.cmake
new file mode 100644
index 0000000000..c52b027464
--- /dev/null
+++ b/Modules/FindOpenAL.cmake
@@ -0,0 +1,55 @@
+# Locate OpenAL
+# This module defines
+# OPENAL_LIBRARY
+# OPENAL_FOUND, if false, do not try to link to OpenAL 
+# OPENAL_INCLUDE_DIR, where to find the headers
+#
+# $OPENALDIR is an environment variable that would
+# correspond to the ./configure --prefix=$OPENALDIR
+# used in building OpenAL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake 
+# module, but with modifications to recognize OS X frameworks.
+
+# On OSX, this will prefer the Framework version (if found) over others.
+# People will have to manually change the cache values of 
+# OPENAL_LIBRARY to override this selection.
+# Tiger will include OpenAL as part of the System.
+# But for now, we have to look around.
+# Other (Unix) systems should be able to utilize the non-framework paths.
+FIND_PATH(OPENAL_INCLUDE_DIR al.h
+  ~/Library/Frameworks/OpenAL.framework/Headers
+  /Library/Frameworks/OpenAL.framework/Headers
+  /System/Library/Frameworks/OpenAL.framework/Headers
+  $ENV{OPENALDIR}/include
+  /usr/include
+  /usr/include/AL
+  /usr/include/OpenAL
+  /usr/local/include/AL
+  /usr/local/include/OpenAL
+  /sw/include
+  /sw/include/AL
+  )
+# I'm not sure if I should do a special casing for Apple. It is 
+# unlikely that other Unix systems will find the framework path.
+# But if they do ([Next|Open|GNU]Step?), 
+# do they want the -framework option also?
+IF(${OPENAL_INCLUDE_DIR} MATCHES ".framework")
+  SET (OPENAL_LIBRARY "-framework OpenAL" CACHE STRING "OpenAL framework for OSX")
+ELSE(${OPENAL_INCLUDE_DIR} MATCHES ".framework")
+  FIND_LIBRARY(OPENAL_LIBRARY 
+    NAMES openal al
+    PATHS
+    $ENV{OPENALDIR}/lib
+    /usr/lib
+    /usr/local/lib
+    /sw/lib
+    )
+ENDIF(${OPENAL_INCLUDE_DIR} MATCHES ".framework")
+
+SET(OPENAL_FOUND "NO")
+IF(OPENAL_LIBRARY)
+  SET(OPENAL_FOUND "YES")
+ENDIF(OPENAL_LIBRARY)
+
+
diff --git a/Modules/FindPhysFS.cmake b/Modules/FindPhysFS.cmake
new file mode 100644
index 0000000000..d57d474f80
--- /dev/null
+++ b/Modules/FindPhysFS.cmake
@@ -0,0 +1,48 @@
+# Locate PhysFS library
+# This module defines
+# PHYSFS_LIBRARY, the name of the library to link against
+# PHYSFS_FOUND, if false, do not try to link to PHYSFS
+# PHYSFS_INCLUDE_DIR, where to find PHYSFS/PHYSFS.h
+#
+# $PHYSFSDIR is an environment variable that would
+# correspond to the ./configure --prefix=$PHYSFSDIR
+# used in building PHYSFS.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake 
+# module, but with modifications to recognize OS X frameworks.
+
+# On OSX, this will prefer the Framework version (if found) over others.
+# People will have to manually change the cache values of 
+# PHYSFS_LIBRARY to override this selection.
+FIND_PATH(PHYSFS_INCLUDE_DIR physfs.h
+  ~/Library/Frameworks/PhysFS.framework/Headers
+  /Library/Frameworks/PhysFS.framework/Headers
+  $ENV{PHYSFSDIR}/include
+  /usr/include
+  /usr/include/physfs
+  /usr/local/include/physfs
+  /sw/include
+  /sw/include/physfs
+  )
+# I'm not sure if I should do a special casing for Apple. It is 
+# unlikely that other Unix systems will find the framework path.
+# But if they do ([Next|Open|GNU]Step?), 
+# do they want the -framework option also?
+IF(${PHYSFS_INCLUDE_DIR} MATCHES ".framework")
+  SET (PHYSFS_LIBRARY "-framework PhysFS" CACHE STRING "PhysFS framework for OSX")
+ELSE(${PHYSFS_INCLUDE_DIR} MATCHES ".framework")
+  FIND_LIBRARY(PHYSFS_LIBRARY 
+    NAMES physfs PhysFS
+    PATHS
+    $ENV{PHYSFSDIR}/lib
+    /usr/lib
+    /usr/local/lib
+    /sw/lib
+    )
+ENDIF(${PHYSFS_INCLUDE_DIR} MATCHES ".framework")
+
+SET(PHYSFS_FOUND "NO")
+IF(PHYSFS_LIBRARY)
+  SET(PHYSFS_FOUND "YES")
+ENDIF(PHYSFS_LIBRARY)
+
diff --git a/Modules/FindSDL.cmake b/Modules/FindSDL.cmake
index d0a450f4c9..24a7214c4c 100644
--- a/Modules/FindSDL.cmake
+++ b/Modules/FindSDL.cmake
@@ -2,32 +2,129 @@
 # This module defines
 # SDL_LIBRARY, the name of the library to link against
 # SDL_FOUND, if false, do not try to link to SDL
-# SDL_INCLUDE_DIR, where to find SDL/SDL.h
+# SDL_INCLUDE_DIR, where to find SDL.h
+#
+# Don't forget to include SDLmain.h and SDLmain.m your project for the 
+# OS X framework based version. (Other versions link to -lSDLmain which
+# this module will try to find on your behalf.) Also for OS X, this 
+# module will automatically add the -framework Cocoa on your behalf
+# though it is not necessarily visible in the UI. (Maybe somebody else
+# can fix this.)
 #
 # $SDLDIR is an environment variable that would
 # correspond to the ./configure --prefix=$SDLDIR
 # used in building SDL.
 # l.e.galup  9-20-02
-
-
-
-IF (UNIX)
-
-  FIND_LIBRARY(SDL_LIBRARY SDL
+#
+# Modified by Eric Wing. 
+# Added new modifications to recognize OS X frameworks and 
+# additional Unix paths (FreeBSD, etc). 
+# Also corrected the header search path to follow "proper" SDL guidelines.
+# Added a search for SDLmain which is needed by some platforms.
+# Added a search for threads which is needed by some platforms.
+# Added needed compile switches for MinGW.
+#
+# On OSX, this will prefer the Framework version (if found) over others.
+# People will have to manually change the cache values of 
+# SDL_LIBRARY to override this selection.
+#
+# Note that the header path has changed from SDL/SDL.h to just SDL.h
+# This needed to change because "proper" SDL convention
+# is #include "SDL.h", not <SDL/SDL.h>. This is done for portability
+# reasons because not all systems place things in SDL/ (see FreeBSD).
+FIND_PATH(SDL_INCLUDE_DIR SDL.h
+  ~/Library/Frameworks/SDL.framework/Headers
+  /Library/Frameworks/SDL.framework/Headers
+  $ENV{SDLDIR}/include
+  /usr/include/SDL
+  /usr/include/SDL12
+  /usr/include/SDL11
+  /usr/include
+  /usr/local/include/SDL
+  /usr/local/include/SDL12
+  /usr/local/include/SDL11
+  /usr/local/include
+  /sw/include
+  )
+# I'm not sure if I should do a special casing for Apple. It is 
+# unlikely that other Unix systems will find the framework path.
+# But if they do ([Next|Open|GNU]Step?), 
+# do they want the -framework option also?
+IF(${SDL_INCLUDE_DIR} MATCHES ".framework")
+  # The Cocoa framework must be linked into SDL because SDL is Cocoa based.
+  # Remember that the OS X framework version expects you to drop in
+  # SDLmain.h and SDLmain.m directly into your project.
+  # (Cocoa link moved to bottom of this script.)
+  # SET (SDL_LIBRARY "-framework SDL -framework Cocoa" CACHE STRING "SDL framework for OSX")
+  SET(SDL_LIBRARY "-framework SDL" CACHE STRING "SDL framework for OSX")
+ELSE(${SDL_INCLUDE_DIR} MATCHES ".framework")
+  # SDL-1.1 is the name used by FreeBSD ports...
+  # don't confuse it for the version number.
+  FIND_LIBRARY(SDL_LIBRARY 
+    NAMES SDL SDL-1.1
+    PATHS
     $ENV{SDLDIR}/lib
     /usr/lib
     /usr/local/lib
-  )
+    /sw/lib
+    )
+  # Non-OS X framework versions expect you to also dynamically link to 
+  # SDLmain. This is mainly for Windows and OS X. Other platforms 
+  # seem to provide SDLmain for compatibility even though they don't
+  # necessarily need it.
+  FIND_LIBRARY(SDLMAIN_LIBRARY 
+    NAMES SDLmain
+    PATHS
+    $ENV{SDLDIR}/lib
+    /usr/lib
+    /usr/local/lib
+    /sw/lib
+    )
+ENDIF(${SDL_INCLUDE_DIR} MATCHES ".framework")
 
-  FIND_PATH( SDL_INCLUDE_DIR SDL/SDL.h
-    $ENV{SDLDIR}/include
-    /usr/include
-    /usr/local/include
-  )
+# SDL may require threads on your system.
+# The Apple build may not need an explicit flag because one of the 
+# frameworks may already provide it. 
+# But for non-OSX systems, I will use the CMake Threads package.
+IF(NOT APPLE)
+  FIND_PACKAGE(Threads)
+ENDIF(NOT APPLE)
 
-ENDIF (UNIX)
+# MinGW needs an additional library, mwindows
+# It's total link flags should look like -lmingw32 -lSDLmain -lSDL -lmwindows
+# (Actually on second look, I think it only needs one of the m* libraries.)
+IF(MINGW)
+  SET(MINGW32_LIBRARY mingw32 CACHE STRING "mwindows for MinGW")
+ENDIF(MINGW)
 
-SET( SDL_FOUND "NO" )
+SET(SDL_FOUND "NO")
 IF(SDL_LIBRARY)
-  SET( SDL_FOUND "YES" )
+  # For SDLmain
+  IF(SDLMAIN_LIBRARY)
+    SET(SDL_LIBRARY ${SDLMAIN_LIBRARY} ${SDL_LIBRARY})
+  ENDIF(SDLMAIN_LIBRARY)
+
+  # For OS X, SDL uses Cocoa as a backend so it must link to Cocoa.
+  # CMake doesn't display the -framework Cocoa string in the UI even 
+  # though it actually is there. I think it has something to do 
+  # with the CACHE STRING. Maybe somebody else knows how to fix this.
+  # The problem is mainly cosmetic, and not a functional issue.
+  IF(APPLE)
+    SET(SDL_LIBRARY ${SDL_LIBRARY} "-framework Cocoa")
+  ENDIF(APPLE)
+  
+  # For threads, as mentioned Apple doesn't need this.
+  # In fact, there seems to be a problem if Find the threads package
+  # and try using this line, so I'm just skipping it entirely for OS X.
+  IF(NOT APPLE)
+    SET(SDL_LIBRARY ${SDL_LIBRARY} ${CMAKE_THREAD_LIBS_INIT})
+  ENDIF(NOT APPLE)
+
+  # For MinGW library
+  IF(MINGW)
+    SET(SDL_LIBRARY ${MINGW32_LIBRARY} ${SDL_LIBRARY})
+  ENDIF(MINGW)
+
+  SET(SDL_FOUND "YES")
 ENDIF(SDL_LIBRARY)
+
diff --git a/Modules/FindSDL_image.cmake b/Modules/FindSDL_image.cmake
new file mode 100644
index 0000000000..2ee3360f82
--- /dev/null
+++ b/Modules/FindSDL_image.cmake
@@ -0,0 +1,53 @@
+# Locate SDL_image library
+# This module defines
+# SDLIMAGE_LIBRARY, the name of the library to link against
+# SDLIMAGE_FOUND, if false, do not try to link to SDL
+# SDLIMAGE_INCLUDE_DIR, where to find SDL/SDL.h
+#
+# $SDLDIR is an environment variable that would
+# correspond to the ./configure --prefix=$SDLDIR
+# used in building SDL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake 
+# module, but with modifications to recognize OS X frameworks and 
+# additional Unix paths (FreeBSD, etc).
+
+# On OSX, this will prefer the Framework version (if found) over others.
+# People will have to manually change the cache values of 
+# SDLIMAGE_LIBRARY to override this selection.
+FIND_PATH(SDLIMAGE_INCLUDE_DIR SDL_image.h
+  ~/Library/Frameworks/SDL_image.framework/Headers
+  /Library/Frameworks/SDL_image.framework/Headers
+  $ENV{SDLDIR}/include
+  /usr/include/SDL
+  /usr/include/SDL12
+  /usr/include/SDL11
+  /usr/include
+  /usr/local/include/SDL
+  /usr/local/include/SDL12
+  /usr/local/include/SDL11
+  /usr/local/include
+  /sw/include
+  )
+# I'm not sure if I should do a special casing for Apple. It is 
+# unlikely that other Unix systems will find the framework path.
+# But if they do ([Next|Open|GNU]Step?), 
+# do they want the -framework option also?
+IF(${SDLIMAGE_INCLUDE_DIR} MATCHES ".framework")
+  SET (SDLIMAGE_LIBRARY "-framework SDL_image" CACHE STRING "SDL_image framework for OSX")
+ELSE(${SDLIMAGE_INCLUDE_DIR} MATCHES ".framework")
+  FIND_LIBRARY(SDLIMAGE_LIBRARY 
+    NAMES SDL_image
+    PATHS
+    $ENV{SDLDIR}/lib
+    /usr/lib
+    /usr/local/lib
+    /sw/lib
+    )
+ENDIF(${SDLIMAGE_INCLUDE_DIR} MATCHES ".framework")
+
+SET(SDLIMAGE_FOUND "NO")
+IF(SDLIMAGE_LIBRARY)
+  SET(SDLIMAGE_FOUND "YES")
+ENDIF(SDLIMAGE_LIBRARY)
+
diff --git a/Modules/FindSDL_mixer.cmake b/Modules/FindSDL_mixer.cmake
new file mode 100644
index 0000000000..f792e41835
--- /dev/null
+++ b/Modules/FindSDL_mixer.cmake
@@ -0,0 +1,53 @@
+# Locate SDL_mixer library
+# This module defines
+# SDLMIXER_LIBRARY, the name of the library to link against
+# SDLMIXER_FOUND, if false, do not try to link to SDL
+# SDLMIXER_INCLUDE_DIR, where to find SDL/SDL.h
+#
+# $SDLDIR is an environment variable that would
+# correspond to the ./configure --prefix=$SDLDIR
+# used in building SDL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake 
+# module, but with modifications to recognize OS X frameworks and 
+# additional Unix paths (FreeBSD, etc).
+
+# On OSX, this will prefer the Framework version (if found) over others.
+# People will have to manually change the cache values of 
+# SDLMIXER_LIBRARY to override this selection.
+FIND_PATH(SDLMIXER_INCLUDE_DIR SDL_mixer.h
+  ~/Library/Frameworks/SDL_mixer.framework/Headers
+  /Library/Frameworks/SDL_mixer.framework/Headers
+  $ENV{SDLDIR}/include
+  /usr/include/SDL
+  /usr/include/SDL12
+  /usr/include/SDL11
+  /usr/include
+  /usr/local/include/SDL
+  /usr/local/include/SDL12
+  /usr/local/include/SDL11
+  /usr/local/include
+  /sw/include
+  )
+# I'm not sure if I should do a special casing for Apple. It is 
+# unlikely that other Unix systems will find the framework path.
+# But if they do ([Next|Open|GNU]Step?), 
+# do they want the -framework option also?
+IF(${SDLMIXER_INCLUDE_DIR} MATCHES ".framework")
+  SET (SDLMIXER_LIBRARY "-framework SDL_mixer" CACHE STRING "SDL_mixer framework for OSX")
+ELSE(${SDLMIXER_INCLUDE_DIR} MATCHES ".framework")
+  FIND_LIBRARY(SDLMIXER_LIBRARY 
+    NAMES SDL_mixer
+    PATHS
+    $ENV{SDLDIR}/lib
+    /usr/lib
+    /usr/local/lib
+    /sw/lib
+    )
+ENDIF(${SDLMIXER_INCLUDE_DIR} MATCHES ".framework")
+
+SET(SDLMIXER_FOUND "NO")
+IF(SDLMIXER_LIBRARY)
+  SET(SDLMIXER_FOUND "YES")
+ENDIF(SDLMIXER_LIBRARY)
+
diff --git a/Modules/FindSDL_net.cmake b/Modules/FindSDL_net.cmake
new file mode 100644
index 0000000000..e17cb72442
--- /dev/null
+++ b/Modules/FindSDL_net.cmake
@@ -0,0 +1,53 @@
+# Locate SDL_net library
+# This module defines
+# SDLNET_LIBRARY, the name of the library to link against
+# SDLNET_FOUND, if false, do not try to link against
+# SDLNET_INCLUDE_DIR, where to find the headers
+#
+# $SDLDIR is an environment variable that would
+# correspond to the ./configure --prefix=$SDLDIR
+# used in building SDL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake 
+# module, but with modifications to recognize OS X frameworks and 
+# additional Unix paths (FreeBSD, etc).
+
+# On OSX, this will prefer the Framework version (if found) over others.
+# People will have to manually change the cache values of 
+# SDLNET_LIBRARY to override this selection.
+FIND_PATH(SDLNET_INCLUDE_DIR SDL_net.h
+  ~/Library/Frameworks/SDL_net.framework/Headers
+  /Library/Frameworks/SDL_net.framework/Headers
+  $ENV{SDLDIR}/include
+  /usr/include/SDL
+  /usr/include/SDL12
+  /usr/include/SDL11
+  /usr/include
+  /usr/local/include/SDL
+  /usr/local/include/SDL12
+  /usr/local/include/SDL11
+  /usr/local/include
+  /sw/include
+  )
+# I'm not sure if I should do a special casing for Apple. It is 
+# unlikely that other Unix systems will find the framework path.
+# But if they do ([Next|Open|GNU]Step?), 
+# do they want the -framework option also?
+IF(${SDLNET_INCLUDE_DIR} MATCHES ".framework")
+  SET (SDLNET_LIBRARY "-framework SDL_net" CACHE STRING "SDL_net framework for OSX")
+ELSE(${SDLNET_INCLUDE_DIR} MATCHES ".framework")
+  FIND_LIBRARY(SDLNET_LIBRARY 
+    NAMES SDL_net
+    PATHS
+    $ENV{SDLDIR}/lib
+    /usr/lib
+    /usr/local/lib
+    /sw/lib
+    )
+ENDIF(${SDLNET_INCLUDE_DIR} MATCHES ".framework")
+
+SET(SDLNET_FOUND "NO")
+IF(SDLNET_LIBRARY)
+  SET(SDLNET_FOUND "YES")
+ENDIF(SDLNET_LIBRARY)
+
diff --git a/Modules/FindSDL_ttf.cmake b/Modules/FindSDL_ttf.cmake
new file mode 100644
index 0000000000..7dea033821
--- /dev/null
+++ b/Modules/FindSDL_ttf.cmake
@@ -0,0 +1,53 @@
+# Locate SDL_ttf library
+# This module defines
+# SDLTTF_LIBRARY, the name of the library to link against
+# SDLTTF_FOUND, if false, do not try to link to SDL
+# SDLTTF_INCLUDE_DIR, where to find SDL/SDL.h
+#
+# $SDLDIR is an environment variable that would
+# correspond to the ./configure --prefix=$SDLDIR
+# used in building SDL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake 
+# module, but with modifications to recognize OS X frameworks and 
+# additional Unix paths (FreeBSD, etc).
+
+# On OSX, this will prefer the Framework version (if found) over others.
+# People will have to manually change the cache values of 
+# SDLTTF_LIBRARY to override this selection.
+FIND_PATH(SDLTTF_INCLUDE_DIR SDL_ttf.h
+  ~/Library/Frameworks/SDL_ttf.framework/Headers
+  /Library/Frameworks/SDL_ttf.framework/Headers
+  $ENV{SDLDIR}/include
+  /usr/include/SDL
+  /usr/include/SDL12
+  /usr/include/SDL11
+  /usr/include
+  /usr/local/include/SDL
+  /usr/local/include/SDL12
+  /usr/local/include/SDL11
+  /usr/local/include
+  /sw/include
+  )
+# I'm not sure if I should do a special casing for Apple. It is 
+# unlikely that other Unix systems will find the framework path.
+# But if they do ([Next|Open|GNU]Step?), 
+# do they want the -framework option also?
+IF(${SDLTTF_INCLUDE_DIR} MATCHES ".framework")
+  SET (SDLTTF_LIBRARY "-framework SDL_ttf" CACHE STRING "SDL_ttf framework for OSX")
+ELSE(${SDLTTF_INCLUDE_DIR} MATCHES ".framework")
+  FIND_LIBRARY(SDLTTF_LIBRARY 
+    NAMES SDL_ttf
+    PATHS
+    $ENV{SDLDIR}/lib
+    /usr/lib
+    /usr/local/lib
+    /sw/lib
+    )
+ENDIF(${SDLTTF_INCLUDE_DIR} MATCHES ".framework")
+
+SET(SDLTTF_FOUND "NO")
+IF(SDLTTF_LIBRARY)
+  SET(SDLTTF_FOUND "YES")
+ENDIF(SDLTTF_LIBRARY)
+